package net.ib.mtalk.util;

public class KoreanUtil {

	// ㄱ ㄲ ㄴ ㄷ ㄸ ㄹ ㅁ ㅂ ㅃ ㅅ ㅆ ㅇ ㅈ ㅉ ㅊ ㅋ ㅌ ㅍ ㅎ
	final static char[] ChoSung = { 0x3131, 0x3132, 0x3134, 0x3137, 0x3138,
			0x3139, 0x3141, 0x3142, 0x3143, 0x3145, 0x3146, 0x3147, 0x3148,
			0x3149, 0x314a, 0x314b, 0x314c, 0x314d, 0x314e };

	// ㅏ ㅐ ㅑ ㅒ ㅓ ㅔ ㅕ ㅖ ㅗ ㅘ ㅙ ㅚ ㅛ ㅜ ㅝ ㅞ ㅟ ㅠ ㅡ ㅢ ㅣ
	final static char[] JwungSung = { 0x314f, 0x3150, 0x3151, 0x3152, 0x3153,
			0x3154, 0x3155, 0x3156, 0x3157, 0x3158, 0x3159, 0x315a, 0x315b,
			0x315c, 0x315d, 0x315e, 0x315f, 0x3160, 0x3161, 0x3162, 0x3163 };

	// ㄱ ㄲ ㄳ ㄴ ㄵ ㄶ ㄷ ㄹ ㄺ ㄻ ㄼ ㄽ ㄾ ㄿ ㅀ ㅁ ㅂ ㅄ ㅅ ㅆ ㅇ ㅈ ㅊ ㅋ ㅌ ㅍ ㅎ
	final static char[] JongSung = { 0, 0x3131, 0x3132, 0x3133, 0x3134, 0x3135,
			0x3136, 0x3137, 0x3139, 0x313a, 0x313b, 0x313c, 0x313d, 0x313e,
			0x313f, 0x3140, 0x3141, 0x3142, 0x3144, 0x3145, 0x3146, 0x3147,
			0x3148, 0x314a, 0x314b, 0x314c, 0x314d, 0x314e };

	public static char hangulToJaso(char inputChar) { // 유니코드 한글 문자열을 입력 받음
		int a, b, c; // 자소 버퍼: 초성/중성/종성 순

		char ch = inputChar;

		if (ch >= 0xAC00 && ch <= 0xD7A3) { // "AC00:가" ~ "D7A3:힣" 에 속한 글자면 분해
			c = ch - 0xAC00;
			a = c / (21 * 28);
			c = c % (21 * 28);
			b = c / 28;
			c = c % 28;

			return ChoSung[a];
		} else {
			return ch;
		}
	}
}
